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e-CFR data is current as of August 6, 2020

Title 40Chapter ISubchapter NPart 426 → Subpart E


Title 40: Protection of Environment
PART 426—GLASS MANUFACTURING POINT SOURCE CATEGORY


Subpart E—Float Glass Manufacturing Subcategory


Contents
§426.50   Applicability; description of the float glass manufacturing subcategory.
§426.51   Specialized definitions.
§426.52   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§426.53   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§426.54   [Reserved]
§426.55   Standards of performance for new sources.
§426.56   Pretreatment standards for new sources.
§426.57   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.

Source: 39 FR 5714, Feb. 14, 1974, unless otherwise noted.

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§426.50   Applicability; description of the float glass manufacturing subcategory.

The provisions of this subpart are applicable to discharges of pollutants resulting from the process in which several mineral ingredients (sand, soda ash, limestone, dolomite, cullet, and other ingredients) are mixed, melted in a furnace, and floated on a molten tin bath to produce float glass.

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§426.51   Specialized definitions.

For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

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§426.52   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Except as provided in §§125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Effluent characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days shall not exceed—
   Metric units (q/kkg of product)
TSS2.002.00
Oil1.401.40
Phosphorus0.05.05
pH(1)(1)
   English units (lb/ton of product)
TSS0.00400.0040
Oil0.0028.0028
Phosphorus0.0001.0001
pH(1)(1)

1Within the range 6.0 to 9.0.

[39 FR 5714, Feb. 14, 1974, as amended at 60 FR 33958, June 29, 1995]

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§426.53   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable:

Effluent characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days shall not exceed—
   Metric units (g/kg of product)
Phosphorus0.05.05
   English units (lb/ton of product)
Phosphorus0.0001.0001

[39 FR 5714, Feb. 14, 1974, as amended at 44 FR 50746, Aug. 29, 1979]

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§426.54   [Reserved]

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§426.55   Standards of performance for new sources.

The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:

Effluent characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days shall not exceed—
   Metric units (g/kkg of product)
TSS0.700.70
Oil1.401 .40
Phosphorus0.05.05
pH(1)(1)
   English units (lb/ton of product)
TSS0.00140.0014
Oil0.0028.0028
Phosphorus0.0001.0001
pH(1)(1)

1Within the range 6.0 to 9.0.

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§426.56   Pretreatment standards for new sources.

Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403.

[60 FR 33958, June 29, 1995]

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§426.57   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.

Except as provided in §§125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations shall be the same as those specified for conventional pollutants (which are defined in §401.16) in §426.52 of this subpart for the best practicable control technology currently available (BPT).

[51 FR 25000, July 9, 1986]

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